Ruger 10/22 scope base

[wapitiaddict]

Does anyone know if the tapped screw holes on a '90s era Ruger 10/22 is the same today? I need a scope rail, and there are lots out there. I just want to make sure it should fit my older Ruger. Didn't know if Ruger changed the screw holes over time.

 

[bullfrog]

same